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| <meta name="keywords" content="getClassLoader()"> |
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| <meta name="keywords" content="addInterfaceName()"> |
| <meta name="keywords" content="getInstanceSize()"> |
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| <meta name="keywords" content="getHashcodeSlotSize()"> |
| <meta name="keywords" content="hashCode()"> |
| <meta name="keywords" content="readFlagsFromInstance()"> |
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| <li>Summary: </li> |
| <li>Nested | </li> |
| <li><a href="#field.summary">Field</a> | </li> |
| <li><a href="#constructor.summary">Constr</a> | </li> |
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| <li>Detail: </li> |
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| <div class="sub-title"><span class="module-label-in-type">Module</span> <a href="../../../../../module-summary.html">openj9.dtfj</a></div> |
| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">com.ibm.dtfj.java.j9</a></div> |
| <h1 title="Class JavaAbstractClass" class="title">Class JavaAbstractClass</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">java.lang.Object</a> |
| <div class="inheritance">com.ibm.dtfj.java.j9.JavaAbstractClass</div> |
| </div> |
| <section class="description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></code></dd> |
| </dl> |
| <dl class="notes"> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="JavaArrayClass.html" title="class in com.ibm.dtfj.java.j9">JavaArrayClass</a></code>, <code><a href="JavaClass.html" title="class in com.ibm.dtfj.java.j9">JavaClass</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">JavaAbstractClass</span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a> |
| implements <a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></span></div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li> |
| <section class="field-summary" id="field.summary"> |
| <h2>Field Summary</h2> |
| <div class="caption"><span>Fields</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>protected <a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a></code></div> |
| <div class="col-second even-row-color"><code><span class="member-name-link"><a href="#_classPointer">_classPointer</a></span></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>protected <a href="JavaRuntime.html" title="class in com.ibm.dtfj.java.j9">JavaRuntime</a></code></div> |
| <div class="col-second odd-row-color"><code><span class="member-name-link"><a href="#_javaVM">_javaVM</a></span></code></div> |
| <div class="col-last odd-row-color"> </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="fields.inherited.from.class.com.ibm.dtfj.java.JavaClass">Fields declared in interface com.ibm.dtfj.java.<a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></h3> |
| <code><a href="../JavaClass.html#MODIFIERS_UNAVAILABLE">MODIFIERS_UNAVAILABLE</a></code></div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor.summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier</div> |
| <div class="table-header col-second">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>protected </code></div> |
| <div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(com.ibm.dtfj.java.j9.JavaRuntime,com.ibm.dtfj.image.ImagePointer,int,long,com.ibm.dtfj.image.ImagePointer,int,int)">JavaAbstractClass</a></span>​(<a href="JavaRuntime.html" title="class in com.ibm.dtfj.java.j9">JavaRuntime</a> vm, |
| <a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a> id, |
| int modifiers, |
| long loaderID, |
| <a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a> objectID, |
| int flagOffset, |
| int hashcodeSlot)</code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method.summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>protected void</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#addClassLoaderReference(java.util.Collection)">addClassLoaderReference</a></span>​(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link" target="_blank">Collection</a> coll)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>protected void</code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#addClassObjectReference(java.util.Collection)">addClassObjectReference</a></span>​(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link" target="_blank">Collection</a> coll)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#addInterfaceName(java.lang.String)">addInterfaceName</a></span>​(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a> interfaceName)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>protected void</code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#addSuperclassReference(java.util.Collection)">addSuperclassReference</a></span>​(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link" target="_blank">Collection</a> coll)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#equals(java.lang.Object)">equals</a></span>​(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a> obj)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> |
| <div class="block">Compares the argument to the receiver, and answers true |
| if they represent the <em>same</em> object using a class |
| specific comparison.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="../JavaClassLoader.html" title="interface in com.ibm.dtfj.java">JavaClassLoader</a></code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getClassLoader()">getClassLoader</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> |
| <div class="block">Fetch the class loader associated with this class.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getHashcodeSlotSize()">getHashcodeSlotSize</a></span>()</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> |
| <div class="block">Returns the size of the extra slot needed for stored hashcode - if the object was moved - in JVMs built with |
| J9VM_OPT_NEW_OBJECT_HASH.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a></code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getID()">getID</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> |
| <div class="block">The ID of a class is a pointer to a section of memory which identifies |
| the class.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>abstract int</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getInstanceSize(com.ibm.dtfj.java.JavaObject)">getInstanceSize</a></span>​(<a href="../JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a> instance)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</a></code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getInterfaces()">getInterfaces</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> |
| <div class="block">Get the set of names of interfaces directly implemented by this class.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getModifiers()">getModifiers</a></span>()</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> |
| <div class="block">Return the Java language modifiers for this class.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="../JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a></code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getObject()">getObject</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> |
| <div class="block">Fetch the java.lang.Class object associated with this class.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="../JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a></code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getProtectionDomain()">getProtectionDomain</a></span>()</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> |
| <div class="block">Returns the protection domain for this class.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#hashCode()">hashCode</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> |
| <div class="block">Answers an integer hash code for the receiver.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#readFlagsFromInstance(com.ibm.dtfj.java.JavaObject)">readFlagsFromInstance</a></span>​(<a href="../JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a> instance)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"> </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods.inherited.from.class.java.lang.Object">Methods declared in class java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link" target="_blank">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link" target="_blank">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link" target="_blank">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link" target="_blank">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link" target="_blank">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link" target="_blank">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link" target="_blank">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link" target="_blank">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods.inherited.from.class.com.ibm.dtfj.java.JavaClass">Methods declared in interface com.ibm.dtfj.java.<a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></h3> |
| <code><a href="../JavaClass.html#getComponentType()">getComponentType</a>, <a href="../JavaClass.html#getConstantPoolReferences()">getConstantPoolReferences</a>, <a href="../JavaClass.html#getDeclaredFields()">getDeclaredFields</a>, <a href="../JavaClass.html#getDeclaredMethods()">getDeclaredMethods</a>, <a href="../JavaClass.html#getInstanceSize()">getInstanceSize</a>, <a href="../JavaClass.html#getName()">getName</a>, <a href="../JavaClass.html#getReferences()">getReferences</a>, <a href="../JavaClass.html#getSuperclass()">getSuperclass</a>, <a href="../JavaClass.html#isArray()">isArray</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field.detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="_classPointer"> |
| <h3>_classPointer</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a></span> <span class="element-name">_classPointer</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="_javaVM"> |
| <h3>_javaVM</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="JavaRuntime.html" title="class in com.ibm.dtfj.java.j9">JavaRuntime</a></span> <span class="element-name">_javaVM</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor.detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>(com.ibm.dtfj.java.j9.JavaRuntime,com.ibm.dtfj.image.ImagePointer,int,long,com.ibm.dtfj.image.ImagePointer,int,int)"> |
| <h3>JavaAbstractClass</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="element-name">JavaAbstractClass</span>​<span class="parameters">(<a href="JavaRuntime.html" title="class in com.ibm.dtfj.java.j9">JavaRuntime</a> vm, |
| <a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a> id, |
| int modifiers, |
| long loaderID, |
| <a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a> objectID, |
| int flagOffset, |
| int hashcodeSlot)</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method.detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="getClassLoader()"> |
| <h3>getClassLoader</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../JavaClassLoader.html" title="interface in com.ibm.dtfj.java">JavaClassLoader</a></span> <span class="element-name">getClassLoader</span>() |
| throws <span class="exceptions"><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../JavaClass.html#getClassLoader()">JavaClass</a></code></span></div> |
| <div class="block">Fetch the class loader associated with this class. Classes defined in |
| the bootstrap class loader (including classes representing primitive |
| types or void) will always return a JavaClassLoader representing the |
| bootstrap class loader. This asymmetry with |
| java.lang.Class#getClassLoader() is intentional.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../JavaClass.html#getClassLoader()">getClassLoader</a></code> in interface <code><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></code></dd> |
| <dt>Returns:</dt> |
| <dd>the JavaClassLoader in which this class was defined</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code> - if the class loader for this class cannot |
| be found (a class cannot exist without a loader so this implies corruption)</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getObject()"> |
| <h3>getObject</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a></span> <span class="element-name">getObject</span>() |
| throws <span class="exceptions"><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../JavaClass.html#getObject()">JavaClass</a></code></span></div> |
| <div class="block">Fetch the java.lang.Class object associated with this class. |
| <p> |
| In some implementations this may be null if no object has been |
| created to represent this class, or if the class is synthetic.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../JavaClass.html#getObject()">getObject</a></code> in interface <code><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></code></dd> |
| <dt>Returns:</dt> |
| <dd>the java.lang.Class object associated with this class</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd> |
| <dt>See Also:</dt> |
| <dd><a href="../JavaClass.html#getID()"><code>JavaClass.getID()</code></a></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getModifiers()"> |
| <h3>getModifiers</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">getModifiers</span>() |
| throws <span class="exceptions"><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../JavaClass.html#getModifiers()">JavaClass</a></code></span></div> |
| <div class="block">Return the Java language modifiers for this class. |
| <p> |
| The modifiers are defined by the JVM Specification. |
| <p> |
| Return MODIFIERS_UNAVAILABLE if the modifiers are unavailable. |
| This might be the case if DTFJ is operating against an artefact such as a portable heap dump that does not contain |
| information about a class's modifiers. |
| <p> |
| Note that, for inner classes, the actual modifiers are returned, not |
| the synthetic modifiers. For instance, a class will never have its |
| 'protected' modifier set, even if the inner class was a protected |
| member, since 'protected' is not a legal modifier for a class file.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../JavaClass.html#getModifiers()">getModifiers</a></code> in interface <code><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></code></dd> |
| <dt>Returns:</dt> |
| <dd>the modifiers for this class</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getID()"> |
| <h3>getID</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a></span> <span class="element-name">getID</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../JavaClass.html#getID()">JavaClass</a></code></span></div> |
| <div class="block">The ID of a class is a pointer to a section of memory which identifies |
| the class. The contents of this memory are implementation defined. |
| <p> |
| In some implementations getID() and getObject().getID() may return the |
| same value. This implies that the class object is also the primary |
| internal representation of the class. DTFJ users should not rely on this |
| behaviour. |
| <p> |
| In some implementations, getID() may return null for some classes. |
| This indicates that the class is a synthetic class which has been |
| constructed for DTFJ purposes only. The class has no physical |
| representation in the VM.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../JavaClass.html#getID()">getID</a></code> in interface <code><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></code></dd> |
| <dt>Returns:</dt> |
| <dd>a pointer to the class</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getInterfaces()"> |
| <h3>getInterfaces</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</a></span> <span class="element-name">getInterfaces</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../JavaClass.html#getInterfaces()">JavaClass</a></code></span></div> |
| <div class="block">Get the set of names of interfaces directly implemented by this class.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../JavaClass.html#getInterfaces()">getInterfaces</a></code> in interface <code><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></code></dd> |
| <dt>Returns:</dt> |
| <dd>an iterator over the collection of the names of interfaces |
| directly implemented by this class. Some JVM implementations may |
| choose to load interfaces lazily, so only the names are returned. |
| The JavaClass objects may be found through the defining class loader.</dd> |
| <dt>See Also:</dt> |
| <dd><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank"><code>String</code></a>, |
| <a href="../JavaClassLoader.html#findClass(java.lang.String)"><code>JavaClassLoader.findClass(String)</code></a>, |
| <a href="../../image/CorruptData.html" title="interface in com.ibm.dtfj.image"><code>CorruptData</code></a></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="addInterfaceName(java.lang.String)"> |
| <h3>addInterfaceName</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">addInterfaceName</span>​<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a> interfaceName)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getInstanceSize(com.ibm.dtfj.java.JavaObject)"> |
| <h3>getInstanceSize</h3> |
| <div class="member-signature"><span class="modifiers">public abstract</span> <span class="return-type">int</span> <span class="element-name">getInstanceSize</span>​<span class="parameters">(<a href="../JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a> instance)</span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>instance</code> - The instance is needed for array types to calculate the size of a per-instance basis</dd> |
| <dt>Returns:</dt> |
| <dd>The size, in bytes, of an instance of this class (required for iterating the heap)</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="equals(java.lang.Object)"> |
| <h3>equals</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">equals</span>​<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a> obj)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link" target="_blank">java.lang.Object</a></code></span></div> |
| <div class="block">Compares the argument to the receiver, and answers true |
| if they represent the <em>same</em> object using a class |
| specific comparison. The implementation in Object answers |
| true only if the argument is the exact same object as the |
| receiver (==).</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../JavaClass.html#equals(java.lang.Object)">equals</a></code> in interface <code><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></code></dd> |
| <dt>Overrides:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link" target="_blank">equals</a></code> in class <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>obj</code> - Object |
| the object to compare with this object.</dd> |
| <dt>Returns:</dt> |
| <dd>boolean |
| <code>true</code> |
| if the object is the same as this object |
| <code>false</code> |
| if it is different from this object.</dd> |
| <dt>See Also:</dt> |
| <dd><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link" target="_blank"><code>Object.hashCode()</code></a></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getHashcodeSlotSize()"> |
| <h3>getHashcodeSlotSize</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">getHashcodeSlotSize</span>()</div> |
| <div class="block">Returns the size of the extra slot needed for stored hashcode - if the object was moved - in JVMs built with |
| J9VM_OPT_NEW_OBJECT_HASH. If the hashcode could fit in spare space in the object header, this will return 0. |
| . *</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>object instance size delta, in bytes</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="hashCode()"> |
| <h3>hashCode</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">hashCode</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link" target="_blank">java.lang.Object</a></code></span></div> |
| <div class="block">Answers an integer hash code for the receiver. Any two |
| objects which answer <code>true</code> when passed to |
| <code>.equals</code> must answer the same value for this |
| method.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../JavaClass.html#hashCode()">hashCode</a></code> in interface <code><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></code></dd> |
| <dt>Overrides:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link" target="_blank">hashCode</a></code> in class <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></code></dd> |
| <dt>Returns:</dt> |
| <dd>the receiver's hash.</dd> |
| <dt>See Also:</dt> |
| <dd><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link" target="_blank"><code>Object.equals(java.lang.Object)</code></a></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="readFlagsFromInstance(com.ibm.dtfj.java.JavaObject)"> |
| <h3>readFlagsFromInstance</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">readFlagsFromInstance</span>​<span class="parameters">(<a href="../JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a> instance)</span> |
| throws <span class="exceptions"><a href="../../image/MemoryAccessException.html" title="class in com.ibm.dtfj.image">MemoryAccessException</a>, |
| <a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../image/MemoryAccessException.html" title="class in com.ibm.dtfj.image">MemoryAccessException</a></code></dd> |
| <dd><code><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="addClassLoaderReference(java.util.Collection)"> |
| <h3>addClassLoaderReference</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">void</span> <span class="element-name">addClassLoaderReference</span>​<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link" target="_blank">Collection</a> coll)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="addSuperclassReference(java.util.Collection)"> |
| <h3>addSuperclassReference</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">void</span> <span class="element-name">addSuperclassReference</span>​<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link" target="_blank">Collection</a> coll)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="addClassObjectReference(java.util.Collection)"> |
| <h3>addClassObjectReference</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">void</span> <span class="element-name">addClassObjectReference</span>​<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link" target="_blank">Collection</a> coll)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getProtectionDomain()"> |
| <h3>getProtectionDomain</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a></span> <span class="element-name">getProtectionDomain</span>() |
| throws <span class="exceptions"><a href="../../image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a>, |
| <a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../JavaClass.html#getProtectionDomain()">JavaClass</a></code></span></div> |
| <div class="block">Returns the protection domain for this class.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../JavaClass.html#getProtectionDomain()">getProtectionDomain</a></code> in interface <code><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></code></dd> |
| <dt>Returns:</dt> |
| <dd>the protection domain or null for the default protection domain</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../../image/DataUnavailable.html" title="class in com.ibm.dtfj.image">DataUnavailable</a></code></dd> |
| <dd><code><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= END OF CLASS DATA ========= --> |
| </main> |
| <footer role="contentinfo"> |
| <hr> |
| <p class="legal-copy"><small><a href="https://www.eclipse.org/openj9/" target="_blank">Eclipse OpenJ9 website.</a><br> To raise a bug report or suggest an improvement create an <a href="https://github.com/eclipse-openj9/openj9/issues" target="_blank">Eclipse Openj9 issue.</a><br> Copyright © 1998, 2021, IBM Corp. and others.</small></p> |
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